323142004400 has 120 divisors (see below), whose sum is σ = 833278010544. Its totient is φ = 119986790400.

The previous prime is 323142004391. The next prime is 323142004439. The reversal of 323142004400 is 4400241323.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170915 + ... + 821885.

Almost surely, 2^323142004400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323142004400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416639005272).

323142004400 is an abundant number, since it is smaller than the sum of its proper divisors (510136006144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

323142004400 is a wasteful number, since it uses less digits than its factorization.

323142004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651079 (or 651068 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 323142004400 its reverse (4400241323), we get a palindrome (327542245723).

The spelling of 323142004400 in words is "three hundred twenty-three billion, one hundred forty-two million, four thousand, four hundred".